:root {
  color-scheme: light;
  --ink: #172018;
  --ink-soft: #334237;
  --paper: #f5f2e9;
  --surface: #fffdf7;
  --surface-soft: #ebe7dc;
  --accent: #c8f53c;
  --accent-dark: #456900;
  --selection: #456900;
  --line: #cbc7bb;
  --muted: #666b63;
  --danger: #a82e28;
  --danger-soft: #fff0ee;
  --warning: #765b00;
  --warning-soft: #fff7d8;
  --success: #286026;
  --success-soft: #edf9e9;
  --shadow: 0 20px 60px rgba(23, 32, 24, .09);
  --radius: 18px;
}

body[data-course="red"] { --selection: #c83f36; }
body[data-course="blue"] { --selection: #2474bd; }
body[data-course="green"] { --selection: #2f7d3f; }
body[data-course="yellow"] { --selection: #b88a00; }
body[data-course="black"] { --selection: #050805; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input { font: inherit; }
button, label { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .52; }
a { color: inherit; }
p { line-height: 1.55; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: .3rem 0 1rem; max-width: 900px; font-size: clamp(2.75rem, 7vw, 5.9rem); line-height: .94; letter-spacing: -.065em; }
h2 { margin: .2rem 0 .65rem; font-size: clamp(1.65rem, 3vw, 2.25rem); line-height: 1.08; letter-spacing: -.045em; }
h3 { margin: .15rem 0 .5rem; font-size: 1.25rem; line-height: 1.2; letter-spacing: -.025em; }

.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 12px 16px; background: var(--ink); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; z-index: 20; top: 0; min-height: 72px; padding: 10px max(22px, calc((100vw - 1160px) / 2)); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px; border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent); background: color-mix(in srgb, var(--paper) 91%, transparent); backdrop-filter: blur(18px); }
.brand { width: fit-content; color: var(--ink); text-decoration: none; font-size: 1.8rem; font-weight: 900; letter-spacing: -.08em; }
.brand span { color: var(--accent-dark); }
.app-nav { display: flex; align-items: center; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.4); }
.nav-link { min-height: 44px; padding: 8px 16px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-weight: 750; }
.nav-link.active { background: var(--ink); color: white; }
.session { display: flex; align-items: center; justify-content: flex-end; gap: 9px; min-width: 0; font-size: .87rem; color: var(--muted); }
.session-email { max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
main { min-height: calc(100vh - 72px); }
.app-authenticated .site-header { position: fixed; inset: 0 auto 0 0; width: 240px; min-height: 100vh; padding: 28px 18px 20px; display: flex; flex-direction: column; align-items: stretch; gap: 0; border-right: 1px solid var(--line); border-bottom: 0; background: var(--paper); backdrop-filter: none; }
.app-authenticated .brand { padding: 0 10px 22px; }
.app-authenticated .app-nav { width: 100%; padding: 18px 0; display: grid; gap: 5px; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: transparent; }
.app-authenticated .nav-link { width: 100%; min-height: 46px; padding: 10px 12px; border-radius: 10px; text-align: left; }
.app-authenticated .session { width: 100%; margin-top: auto; padding: 18px 10px 0; flex-direction: column; align-items: stretch; border-top: 1px solid var(--line); }
.app-authenticated .session-email { max-width: 100%; }
.app-authenticated .session .button { width: fit-content; justify-content: flex-start; }
.app-authenticated main { min-height: 100vh; margin-left: 240px; }
.page { max-width: 1160px; margin: 0 auto; padding: 64px 24px 96px; }
.signed-out { max-width: 1160px; min-height: calc(100vh - 72px); margin: 0 auto; padding: 72px 24px; display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(280px, .7fr); align-items: center; gap: clamp(40px, 8vw, 120px); }
.hero-copy .lede { max-width: 690px; }
.promise-card { align-self: end; padding: 28px 0 4px; border-top: 5px solid var(--ink); font-size: 1.05rem; }
.promise-card p:last-child { margin-bottom: 0; }
.page-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 48px; }
.page-heading.narrow { display: block; max-width: 760px; }
.page-heading .lede { max-width: 700px; margin: 0; }
.dashboard-heading h1 { font-size: clamp(2.8rem, 6vw, 5.25rem); }
.primary-page-action { display: flex; justify-content: center; margin: -12px 0 40px; }
.eyebrow, .step-label { margin: 0; color: var(--accent-dark); font-size: .74rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.lede { color: var(--ink-soft); font-size: clamp(1.08rem, 2vw, 1.3rem); line-height: 1.5; }
.muted, .support-copy, .field-help, .section-intro, .empty-copy { color: var(--muted); }
.support-copy { font-size: .9rem; }
.hidden { display: none !important; }

.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border: 1px solid var(--ink); border-radius: 999px; background: transparent; color: var(--ink); font-weight: 800; text-decoration: none; transition: background-color .16s ease, border-color .16s ease, box-shadow .16s ease, color .16s ease; }
.button:hover:not(:disabled) { border-color: var(--accent-dark); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 45%, transparent); }
.button.primary { background: var(--ink); color: white; box-shadow: 0 5px 0 var(--accent-dark); }
.button.primary:hover:not(:disabled) { background: var(--accent); color: var(--ink); box-shadow: 0 5px 0 var(--accent-dark), 0 0 0 3px color-mix(in srgb, var(--accent) 45%, transparent); }
.button.secondary { background: var(--surface); }
.button.text, .button.danger-text { min-height: 44px; padding: 8px 10px; border-color: transparent; border-radius: 10px; text-decoration: underline; text-underline-offset: 4px; }
.button.text:hover:not(:disabled), .button.danger-text:hover:not(:disabled) { border-color: transparent; background: var(--surface-soft); box-shadow: none; }
.button.danger-text { color: var(--danger); }
.button.small { min-height: 44px; padding: 8px 14px; font-size: .88rem; }
.icon-button, .dialog-close { width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--ink); font-size: 1.75rem; line-height: 1; }
.button-row { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }

button:focus-visible, input:focus-visible, summary:focus-visible, .choice-card:focus-within, .time-choice:focus-visible { outline: 3px solid var(--accent-dark); outline-offset: 3px; }

.status-message { position: fixed; z-index: 1000; right: 24px; bottom: 24px; width: min(420px, calc(100vw - 32px)); margin: 0; padding: 16px 18px; border-left: 5px solid var(--accent-dark); border-radius: 4px 12px 12px 4px; background: var(--surface); box-shadow: 0 14px 42px rgba(23,32,24,.18); }
.error-summary { max-width: 1112px; margin: 20px auto -22px; padding: 16px 18px; border-left: 5px solid var(--accent-dark); border-radius: 4px 12px 12px 4px; background: var(--surface); box-shadow: 0 8px 30px rgba(23,32,24,.08); }
.status-message.error, .error-summary { border-color: var(--danger); background: var(--danger-soft); }
.status-message.warning { border-color: var(--warning); background: var(--warning-soft); }
.error-summary { margin: 18px 0 0; }
.error-summary strong { display: block; margin-bottom: 4px; }

.setup-card, .settings-card, .request-builder { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.onboarding-guide { margin: -16px 0 34px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.onboarding-guide article { padding: 22px; border-top: 4px solid var(--ink); background: color-mix(in srgb, var(--surface) 70%, transparent); }
.onboarding-guide h2 { margin-top: 8px; font-size: 1.2rem; letter-spacing: -.025em; }
.onboarding-guide p:last-child { margin-bottom: 0; color: var(--ink-soft); font-size: .94rem; }
.setup-card { max-width: 880px; padding: clamp(24px, 5vw, 48px); display: grid; grid-template-columns: minmax(0, .9fr) minmax(300px, 1fr); gap: clamp(30px, 7vw, 78px); }
.setup-card.single { grid-template-columns: 1fr; }
.stacked-form { display: grid; gap: 18px; align-content: start; }
.field { display: grid; gap: 7px; }
.field label, .field-label { font-size: .82rem; font-weight: 800; }
input[type="email"], input[type="password"], input[type="text"], input[type="date"], input[type="number"], input[name="code"] { width: 100%; min-height: 48px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: white; color: var(--ink); }
.form-error { margin: 0; color: var(--danger); font-weight: 700; }

.action-banner { margin-bottom: 24px; padding: 24px; border: 1px solid #deb95b; border-radius: var(--radius); background: var(--warning-soft); }
.action-banner h2 { font-size: 1.45rem; }
.request-builder { margin: 0 0 52px; overflow: hidden; }
.builder-heading { display: flex; align-items: start; justify-content: space-between; gap: 24px; padding: clamp(24px, 5vw, 44px); border-bottom: 1px solid var(--line); }
.form-section { min-width: 0; margin: 0; padding: clamp(28px, 5vw, 48px); border: 0; border-bottom: 1px solid var(--line); }
.form-section legend { width: 100%; margin: 0 0 20px; padding: 0; float: left; font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 850; letter-spacing: -.04em; }
.form-section legend ~ * { clear: both; }
.compact-section { max-width: 560px; }
.section-intro { margin-top: -10px; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.course-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.course-easter-egg { width: fit-content; margin: 14px 0 0; padding: 8px 11px; border: 1px dashed var(--selection); border-radius: 10px; background: var(--surface-soft); color: var(--ink-soft); font-size: .88rem; font-weight: 750; }
.choice-card { position: relative; min-height: 96px; padding: 18px; display: flex; flex-direction: column; justify-content: center; gap: 6px; border: 1px solid var(--line); border-radius: 14px; background: white; cursor: pointer; }
.choice-card:hover { border-color: var(--ink); }
.choice-card:has(input:checked) { border: 3px solid var(--selection); padding: 16px; background: color-mix(in srgb, var(--selection) 8%, white); }
.choice-card:has(input:checked):focus-within { outline: none; }
.choice-card input { position: absolute; opacity: 0; pointer-events: none; }
.choice-title { font-weight: 850; }
.choice-detail { color: var(--muted); font-size: .9rem; line-height: 1.35; }
.choice-card:has(input:checked) .choice-detail { color: var(--ink-soft); }
.disabled-choice { cursor: not-allowed; opacity: .58; }
.progressive-panel { margin-top: 18px; padding: 20px; border-radius: 14px; background: var(--surface-soft); }
.date-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(146px, 1fr)); gap: 10px; margin-top: 10px; }
.date-choice { min-height: 56px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--ink); font-weight: 750; text-align: left; }
.date-choice[aria-pressed="true"] { border: 3px solid var(--selection); background: color-mix(in srgb, var(--selection) 8%, white); }
.date-choice[aria-pressed="true"]:focus-visible { outline: none; }
.date-choice:disabled { background: transparent; }
.disabled-reason { display: block; margin-top: 4px; color: var(--muted); font-size: .77rem; font-weight: 500; }
.calendar-field { max-width: 390px; }

.inline-state { min-height: 90px; padding: 24px; border: 1px dashed var(--line); border-radius: 14px; color: var(--muted); display: flex; align-items: center; }
.inline-state.error { border-style: solid; border-color: #d7a29d; background: var(--danger-soft); color: var(--danger); }
.time-scroll-note { margin: 10px 0 0; color: var(--muted); font-size: .85rem; }
.time-groups { display: grid; gap: 20px; margin-top: 18px; }
#ideal-times, #alternative-times { max-height: 360px; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; margin-top: 16px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--surface-soft) 48%, white); }
.time-group { border-bottom: 1px solid var(--line); }
.time-group:last-child { border-bottom: 0; }
.time-group summary { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--ink); font-size: .82rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; cursor: pointer; }
.time-group summary small { color: var(--muted); font-size: .76rem; letter-spacing: 0; text-transform: none; }
.time-group .time-grid { padding: 4px 0 16px; }
.time-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 8px; }
.time-choice { min-height: 46px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px; background: white; color: var(--ink); font-weight: 750; }
.time-choice[aria-pressed="true"] { border: 3px solid var(--selection); background: color-mix(in srgb, var(--selection) 8%, white); }
.time-choice[aria-pressed="true"]:focus-visible { outline: none; }
.time-choice.ideal::after { content: "Ideal"; display: block; font-size: .66rem; font-weight: 850; text-transform: uppercase; }
.segmented-control { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.segmented-control label { position: relative; }
.segmented-control input { position: absolute; opacity: 0; }
.segmented-control span { min-height: 48px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 10px; background: white; font-weight: 850; cursor: pointer; }
.segmented-control input:checked + span { border: 3px solid var(--selection); background: color-mix(in srgb, var(--selection) 8%, white); }
.segmented-control input:focus-visible + span { outline: 3px solid var(--accent-dark); outline-offset: 3px; }
.segmented-control input:checked:focus-visible + span { outline: none; }

.review-list { margin: 24px 0 0; }
.review-list > div { display: grid; grid-template-columns: 180px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.2); }
.review-list dt { color: #bdc5bc; font-weight: 700; }
.review-list dd { margin: 0; font-weight: 700; line-height: 1.5; }
.included-times { padding: 12px 0; border-top: 1px solid rgba(255,255,255,.2); }
.included-times summary { min-height: 44px; display: flex; align-items: center; font-weight: 800; cursor: pointer; }
.included-times ul { columns: 3; line-height: 1.8; }
.payment-note { color: #d9dfd8; }
.request-form-actions { padding: clamp(28px, 5vw, 44px); display: flex; flex-wrap: wrap; gap: 12px; }
.preview-list > div { border-top-color: var(--line); }
#preview-panel { margin-bottom: 44px; }
#preview-panel .builder-heading { padding: 30px clamp(24px, 4vw, 44px) 26px; }
#preview-panel .builder-heading h2 { margin-bottom: 0; }
#canonical-preview { padding: 0 clamp(24px, 4vw, 44px); }
#preview-panel .preview-list { margin: 0; }
#preview-panel .preview-list > div { grid-template-columns: minmax(160px, 220px) minmax(0, 1fr); gap: clamp(20px, 3vw, 38px); padding: 20px 0; }
#preview-panel .preview-list > div:first-child { border-top: 0; }
#preview-panel .preview-list dt { color: var(--muted); }
#preview-panel .preview-list dd { color: var(--ink); }
#preview-panel .payment-note { margin: 0; padding: 22px 0 0; border-top: 1px solid var(--line); color: var(--muted); }
#preview-panel > .button-row { padding: 26px clamp(24px, 4vw, 44px) 34px; }

.content-section { margin-top: 48px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 18px; }
.request-list { display: grid; gap: 14px; }
.request-card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.request-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 22px; }
.request-card h3 { font-size: 1.45rem; }
.request-summary { margin: 7px 0 0; color: var(--ink-soft); }
.status-pill { width: fit-content; flex: 0 0 auto; align-self: flex-start; padding: 6px 10px; border-radius: 999px; background: var(--surface-soft); color: var(--ink-soft); font-size: .75rem; font-weight: 850; line-height: 1; white-space: nowrap; }
.status-pill.ready, .status-pill.booked { background: var(--success-soft); color: var(--success); }
.status-pill.action, .status-pill.running { background: var(--warning-soft); color: var(--warning); }
.status-pill.failed { background: var(--danger-soft); color: var(--danger); }
.run-progress { display: grid; grid-template-columns: minmax(120px, auto) minmax(0, 1fr); gap: 16px; margin: 20px 0 0; padding: 14px 16px; border-left: 4px solid var(--line-strong); border-radius: 8px; background: var(--surface-soft); }
.run-progress span { color: var(--ink-soft); line-height: 1.45; }
.run-progress.running { border-left-color: var(--warning); background: var(--warning-soft); }
.run-progress.action { border-left-color: var(--warning); background: var(--warning-soft); }
.run-progress.failed { border-left-color: var(--danger); background: var(--danger-soft); }
.run-progress.booked { border-left-color: var(--success); background: var(--success-soft); }
.run-checkpoints { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; margin: 22px 0; padding: 0; list-style: none; }
.run-checkpoints li { position: relative; display: grid; justify-items: start; gap: 4px; padding: 0 12px 0 0; color: var(--muted); font-size: .78rem; font-weight: 750; }
.run-checkpoints li::before { content: ""; position: absolute; top: 7px; left: 14px; right: 0; height: 2px; background: var(--line); transform: translateY(-50%); }
.run-checkpoints li:last-child::before { display: none; }
.checkpoint-marker { z-index: 1; width: 14px; height: 14px; border: 2px solid var(--line-strong); border-radius: 50%; background: var(--surface); }
.run-checkpoints li.complete { color: var(--ink); }
.run-checkpoints li.complete .checkpoint-marker { border-color: var(--success); background: var(--success); }
.run-checkpoints li.complete::before { background: var(--success); }
.run-checkpoints li.current { color: var(--ink); }
.run-checkpoints li.current .checkpoint-marker { border-color: var(--warning); box-shadow: 0 0 0 4px var(--warning-soft); }
.run-checkpoints li.failed { color: var(--danger); }
.run-checkpoints li.failed .checkpoint-marker { border-color: var(--danger); background: var(--danger); }
.run-checkpoints small { font-size: .7rem; font-weight: 650; }
.request-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 22px 0; }
.request-fact { padding-top: 12px; border-top: 1px solid var(--line); }
.request-fact span { display: block; margin-bottom: 5px; color: var(--muted); font-size: .76rem; font-weight: 750; }
.request-fact strong { line-height: 1.35; }
.request-message { margin: 16px 0; padding: 14px; border-radius: 10px; background: var(--surface-soft); }
.request-message.action { background: var(--warning-soft); }
.request-message strong, .request-message span { display: block; }
.request-message span { margin-top: 5px; }
.request-message ul { margin: 10px 0 0; padding-left: 20px; }
.request-times { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 14px; margin: 0; padding: 14px 0; border-top: 1px solid var(--line); }
.request-times span { color: var(--muted); font-weight: 800; }
.request-times strong { line-height: 1.5; }
.request-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.skeleton-card { height: 210px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(100deg, var(--surface-soft) 25%, var(--surface) 40%, var(--surface-soft) 55%); background-size: 300% 100%; animation: shimmer 1.8s infinite; }
@keyframes shimmer { to { background-position-x: -300%; } }
.empty-state { padding: clamp(28px, 4vw, 42px); border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; }
.empty-state p { max-width: 520px; margin: 8px auto 0; }
.activity-section { margin-top: 38px; border-top: 1px solid var(--line); }
.activity-section > summary { min-height: 60px; display: flex; align-items: center; font-weight: 800; cursor: pointer; }
.events { border-top: 1px solid var(--line); }
.event { display: grid; grid-template-columns: minmax(145px,.5fr) minmax(0,1fr); gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
.event time { color: var(--muted); }
.event strong { display: block; margin-bottom: 3px; }

.settings-stack { display: grid; gap: 18px; }
.settings-card { padding: clamp(24px, 5vw, 40px); }
.settings-card > div:first-child { margin-bottom: 22px; }
.definition-list { margin: 0; }
.definition-list div { display: grid; grid-template-columns: 170px 1fr; gap: 18px; padding: 12px 0; border-top: 1px solid var(--line); }
.definition-list dt { color: var(--muted); }
.definition-list dd { margin: 0; font-weight: 750; }
.connected-account { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.connected-account strong { display: block; margin-top: 8px; }
.settings-card .stacked-form { max-width: 560px; }
.invite-form { max-width: 700px; margin-bottom: 34px; display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: end; }
.member-list { border-top: 1px solid var(--line); }
.member { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 20px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); }
.member-email { font-weight: 800; }
.member-meta { margin: 4px 0 0; color: var(--muted); font-size: .88rem; }
.member-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }

.confirmation-dialog { width: min(610px, calc(100vw - 32px)); max-height: calc(100vh - 32px); overflow: auto; padding: clamp(24px, 5vw, 40px); border: 0; border-radius: var(--radius); background: var(--surface); color: var(--ink); box-shadow: 0 30px 100px rgba(0,0,0,.3); }
.confirmation-dialog::backdrop { background: rgba(15,22,16,.68); backdrop-filter: blur(4px); }
.dialog-close { position: absolute; top: 16px; right: 16px; }
.authorization-check { margin: 24px 0; padding: 16px; display: grid; grid-template-columns: 24px 1fr; gap: 12px; border: 1px solid var(--line); border-radius: 12px; font-weight: 700; line-height: 1.4; }
.authorization-check input { width: 22px; height: 22px; }

@media (max-width: 840px) {
  .site-header { grid-template-columns: auto 1fr; }
  .app-nav { grid-column: 1 / -1; grid-row: 2; width: 100%; justify-content: stretch; order: 3; }
  .nav-link { flex: 1; }
  .signed-out, .setup-card, .onboarding-guide { grid-template-columns: 1fr; }
  .promise-card { align-self: auto; }
  .page-heading, .dashboard-heading { display: block; }
  .course-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .request-facts { grid-template-columns: 1fr; }
  .request-card-top { align-items: start; }
  .app-authenticated .site-header { position: sticky; inset: auto; width: auto; min-height: 72px; padding: 9px 16px; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 12px; border-right: 0; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 91%, transparent); backdrop-filter: blur(18px); }
  .app-authenticated .brand { padding: 0; }
  .app-authenticated .app-nav { grid-column: 1 / -1; grid-row: 2; width: 100%; padding: 4px; display: flex; gap: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.4); }
  .app-authenticated .nav-link { flex: 1; width: auto; min-height: 44px; padding: 8px 12px; border-radius: 999px; text-align: center; }
  .app-authenticated .session { width: auto; margin: 0; padding: 0; flex-direction: row; align-items: center; justify-content: flex-end; border: 0; }
  .app-authenticated .session-email { max-width: 190px; }
  .app-authenticated main { min-height: calc(100vh - 72px); margin-left: 0; }
}

@media (max-width: 620px) {
  .run-progress { grid-template-columns: 1fr; gap: 5px; }
  .run-checkpoints { grid-template-columns: 1fr; gap: 12px; }
  .run-checkpoints li { grid-template-columns: 18px 1fr auto; align-items: center; padding: 0; }
  .run-checkpoints li::before { top: 14px; bottom: -14px; left: 6px; right: auto; width: 2px; height: auto; transform: none; }
}

@media (max-width: 600px) {
  .site-header { padding: 9px 16px; }
  .session-email { display: none; }
  .page, .signed-out { padding: 42px 16px 72px; }
  .signed-out { min-height: auto; }
  .page-heading { margin-bottom: 32px; }
  .choice-grid, .course-grid { grid-template-columns: 1fr; }
  .choice-card { min-height: 78px; }
  .form-section, .builder-heading { padding: 26px 18px; }
  .request-form-actions { padding: 26px 18px; }
  #canonical-preview { padding: 0 18px; }
  #preview-panel .builder-heading { padding: 24px 18px; }
  #preview-panel .preview-list > div { grid-template-columns: 1fr; gap: 6px; }
  #preview-panel > .button-row { padding: 24px 18px 28px; }
  .review-list > div, .definition-list div, .event { grid-template-columns: 1fr; gap: 5px; }
  .included-times ul { columns: 2; }
  .section-heading, .connected-account, .member { align-items: flex-start; flex-direction: column; display: flex; }
  .member-actions { justify-content: flex-start; }
  .invite-form { grid-template-columns: 1fr; }
  .button:not(.text), .invite-form .button { width: 100%; }
  .button-row .button.small { width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}